<!DOCTYPE html>
<html>
<head>
    <title>Spider</title>
    <link rel="stylesheet" type="text/css" href="./style.css">
</head>
<body>
    <style>
        :root {
            --color: blue;
        }
    </style>
    <div class="test">
        hello world
    </div>
</body>
</html>